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https://github.com/carbon-language/carbon-lang.git
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josh11bandRichard Smith
8d0831f431
Bug found by fuzzing. Problem was untyped SemIR nodes had an invalid type id, which was retrieved by `HandlePrefixOperator` and then passed to `context.GetUnqualifiedType`, ultimately performing an invalid access in `semantics_ir_->GetNode`. We prefer to make a placeholder type for functions and namespaces to remove the need for checking for the untyped case everywhere. Eventually functions will have their own types, but this approach will be needed for namespaces (and perhaps other non-first-class entities like unbound methods and interface members) long term. Co-authored-by: Richard Smith <richard@metafoo.co.uk>
44 lines
2.0 KiB
Plaintext
44 lines
2.0 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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fn F() -> (i32, i32, i32);
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fn G() {
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var v: [(i32, i32, i32); 2] = (F(), F());
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}
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// CHECK:STDOUT: file "array_in_place.carbon" {
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// CHECK:STDOUT: %F: <function> = fn_decl @F
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// CHECK:STDOUT: %G: <function> = fn_decl @G
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F() -> %return: (i32, i32, i32);
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @G() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %.loc10_25: (type, type, type) = tuple_literal (i32, i32, i32)
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// CHECK:STDOUT: %.loc10_28: i32 = int_literal 2
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// CHECK:STDOUT: %.loc10_29: type = array_type %.loc10_28, (i32, i32, i32)
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// CHECK:STDOUT: %v: ref [(i32, i32, i32); 2] = var "v"
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// CHECK:STDOUT: %F.ref.loc10_34: <function> = name_reference "F", package.%F
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// CHECK:STDOUT: %.loc10_42.3: ref (i32, i32, i32) = splice_block %.loc10_42.2 {
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// CHECK:STDOUT: %.loc10_42.1: i32 = int_literal 0
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// CHECK:STDOUT: %.loc10_42.2: ref (i32, i32, i32) = array_index %v, %.loc10_42.1
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %.loc10_35: init (i32, i32, i32) = call @F() to %.loc10_42.3
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// CHECK:STDOUT: %F.ref.loc10_39: <function> = name_reference "F", package.%F
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// CHECK:STDOUT: %.loc10_42.6: ref (i32, i32, i32) = splice_block %.loc10_42.5 {
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// CHECK:STDOUT: %.loc10_42.4: i32 = int_literal 1
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// CHECK:STDOUT: %.loc10_42.5: ref (i32, i32, i32) = array_index %v, %.loc10_42.4
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %.loc10_40: init (i32, i32, i32) = call @F() to %.loc10_42.6
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// CHECK:STDOUT: %.loc10_42.7: type = tuple_type ((i32, i32, i32), (i32, i32, i32))
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// CHECK:STDOUT: %.loc10_42.8: ((i32, i32, i32), (i32, i32, i32)) = tuple_literal (%.loc10_35, %.loc10_40)
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// CHECK:STDOUT: %.loc10_42.9: init [(i32, i32, i32); 2] = array_init %.loc10_42.8, (%.loc10_35, %.loc10_40) to %v
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// CHECK:STDOUT: assign %v, %.loc10_42.9
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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